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8A05.02 Chronic phonic tic disorder

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Chronic phonic tic disorder is characterised by the presence of phonic (vocal) tics over a period of at least one year, although they may not manifest consistently. Phonic tics are defined as sudden, rapid, non-rhythmic, and recurrent vocalizations.

exclusions

• Tourette syndrome  (8A05.00)

synonyms

• Chronic phonic tic disorder
• persistent vocal tic
• chronic vocal tic

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